«38:' 
6 33 
Macrurus ( Macrurus ) asper Brauer , Deutsch. Tiefsee Exped. 
Jaldivia, vol. 15, p, 390, 1906 (reference). 
Macrourus asper Jordan and Snyder , Annot. Zool. Japan., 
Tokyo, vol. 3, p. 120, 1901 (south of Japan). — Jordan . 
umaka , onyder , Journ. College Sci. , Tokyo, vol. 33, p. 
417, 1913 (compiled). 
Depth 4 3/5 to 7 3/5j head 4 3/5 to 5 3/5, width 1 3/5 to 1 5/6. 
Snout to eye 3 l/8 to 4 l/5 in head; eye 6 2/5 to 8 l/5, 1 7/8 to 2 in 
snout, 1 2/5 to 2 in eye; orbit 5 l/4 to 5 7/8 in head, 1 l/3 to 12/5 in 
snout, 1 l/3 to 1 l/2 in interorbital; preoral length vertically inclined, 
little less than orbit; maxillary extends little behind eye or orbit with 
age, in young about 4/5 in eye, length from front end 2 2/3 to 2 4/5 in 
head; teeth in very narrow bands or uniserial in young, apparently more or 
less biserial with age and lower ones larger; mandibular barbel about 
long as eye; interorbital 4 l/6 to 4 l/2 in head, low and broadly convex. 
Gill rakers 1 or 2 + 10 short low tubercles, l/3 of gill filaments #iich 
1 1/3 in eye. 
Scales 110 to 120? in lateral line; 9 or 10 above, 19 to 21 below, 
40 to 44 predorsal of which 20 to 23 extend forward to eye. Scales with 
7 to 14 apical parallel ridges, greater number with age; only in young does t 
# 
terminal spine of each extend beyond scale edge; circuli rather coarse, 
parallel, basal* 
